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Search: "[ keyword: Modeling ]" (34)

21. A Study on Success Strategies for Generative AI Services in Mobile Environments: Analyzing User Experience Using LDA Topic Modeling Approach

Soyon Kim, Ji Yeon Cho, Sang-Yeol Park, Bong Gyou Lee, Vol. 25, No. 4, pp. 109-119, Aug. 2024
10.7472/jksii.2024.25.4.109
Keywords: Generative AI Chatbot Service, On-Device AI, IS success model, User eXperience, LDA Topic Modeling
22. Fine-tuning BERT-based NLP Models for Sentiment Analysis of Korean Reviews: Optimizing the sequence length

Sunga Hwang, Seyeon Park, Beakcheol Jang, Vol. 25, No. 4, pp. 47-56, Aug. 2024
10.7472/jksii.2024.25.4.47
Keywords: BERT, hyperparameter fine-tuning, input sequence length, topic modeling, sentiment analysis, Korean review analysis
23. Performance Improvement of Topic Modeling using BART based Document Summarization

Eun Su Kim, Hyun Yoo, Kyungyong Chung, Vol. 25, No. 3, pp. 27-33, Jun. 2024
10.7472/jksii.2024.25.3.27
Keywords: Document Summarization, BART, topic modeling, LDA, Perplexity, ROUGE
24. News Media Coverage of Carbon Neutrality in Korea and China: A Big Data Analysis

Yifan Wang, Kyung Han You, Vol. 25, No. 3, pp. 55-70, Jun. 2024
10.7472/jksii.2024.25.3.55
Keywords: carbon neutrality, agenda-setting, topic modeling, concor analysis
25. Comparative Study of User Reactions in OTT Service Platforms Using Text Mining

Soonchan Kwon, Jieun Kim, Beakcheol Jang, Vol. 25, No. 3, pp. 43-54, Jun. 2024
10.7472/jksii.2024.25.3.43
Keywords: OTT Services, Machine Learning, Text Mining, topic modeling, BERTopic, Deep Learning
26. Analysis of Users’ Sentiments and Needs for ChatGPT through Social Media on Reddit

Hye-In Na, Byeong-Hee Lee, Vol. 25, No. 2, pp. 79-92, Apr. 2024
10.7472/jksii.2024.25.2.79
Keywords: ChatGPT, Reddit, Needmining, sentiment analysis, topic modeling
27. A Method for Region-Specific Anomaly Detection on Patch-wise Segmented PA Chest Radiograph

Hyun-bin Kim, Jun-Chul Chun, Vol. 24, No. 1, pp. 49-59, Feb. 2023
10.7472/jksii.2023.24.1.49
Keywords: Anomaly Detection, Chest Radiograph, computer vision, Semi-supervised learning, Image Feature Modeling
28. Civic Participation in Smart City : A Role and Direction

Woo-Min Nam, Keon Chul Park, Vol. 23, No. 6, pp. 79-86, Dec. 2022
10.7472/jksii.2022.23.6.79
Keywords: Smart City, Citizen Participation, Research Trend Analysis, Text Mining, topic modeling, Latent Dirchlet Allocation(LDA)
29. Analyze Virtual Private Network Vulnerabilities and Derive Security Guidelines Based on STRIDE Threat Modeling

Da-hyeon Kim, Ji-young Min, Jun-ho Ahn, Vol. 23, No. 6, pp. 27-37, Dec. 2022
10.7472/jksii.2022.23.6.27
Keywords: Virtual Private Network, STRIDE Threat Modeling, Threat Analysis, Threat Scenario, Security requirement
30. A Comparison Study of RNN, CNN, and GAN Models in Sequential Recommendation

Ji Hyung Yoon, Jaewon Chung, Beakcheol Jang, Vol. 23, No. 4, pp. 21-33, Aug. 2022
10.7472/jksii.2022.23.4.21
Keywords: Recommender System, RNN, CNN, GAN, Deep Learning, sequence modeling

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